CN116404743A - Modularized direct-current power distribution screen - Google Patents
Modularized direct-current power distribution screen Download PDFInfo
- Publication number
- CN116404743A CN116404743A CN202310672988.5A CN202310672988A CN116404743A CN 116404743 A CN116404743 A CN 116404743A CN 202310672988 A CN202310672988 A CN 202310672988A CN 116404743 A CN116404743 A CN 116404743A
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- power supply
- vertical plate
- mounting
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000017525 heat dissipation Effects 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000013461 design Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J11/00—Circuit arrangements for providing service supply to auxiliaries of stations in which electric power is generated, distributed or converted
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to the technical field of direct current screens, and discloses a modularized direct current distribution screen. The modularized direct current power distribution screen comprises a machine shell, wherein a base plate is fixedly arranged on the rear wall in the machine shell, a plurality of supporting mechanisms are arranged on the base plate and used for mounting electric elements, a heat dissipation mechanism matched with the supporting mechanisms is further arranged in the machine shell and used for heat dissipation in the machine shell, and heat dissipation holes are formed in the top and the rear wall of the machine shell. This modularization direct current divides electric screen utilizes supporting mechanism and heat dissipation mechanism's design, has realized the modularization installation of electric device in the direct current screen, and the maintenance of electrical apparatus is more convenient with changing, need not to carry out the operation of reason line wiring again, great shortened maintenance time, avoided long-time outage to the influence of equipment operation to the heat that produces when the design of cooperation heat dissipation mechanism can efficient give off electric device work has solved the problem that proposes among the background art.
Description
Technical Field
The invention relates to the technical field of direct current screens, in particular to a modularized direct current distribution screen.
Background
The DC screen is a novel DC system with novel digital control, protection, management and measurement, and consists of a mating power unit, a charging module unit, a step-down silicon chain unit, a DC feed unit, a power distribution monitoring unit, a monitoring module unit and an insulation monitoring unit, and is mainly applied to small and medium-sized power plants, hydropower stations, various substations and other users using DC equipment in a power system, and is suitable for occasions such as instruments, meters, relay protection, fault illumination and the like in a switch opening and closing and secondary circuit.
For the traditional direct current screen, when the electric device breaks down and needs to be maintained or replaced in the period, a great amount of time is required for disassembling and installing the electric device, and corresponding loops are required to be disconnected in the period, so that the operation of the device is not affected little, and how to shorten or even avoid the situation through structural optimization is a problem to be solved.
Disclosure of Invention
The invention aims to provide a modularized direct current distribution screen, which can be disassembled from a circuit when maintaining or replacing an electric device through modularized design, so that the maintenance time is shortened, the downtime is reduced, and the problems in the background technology are solved.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a modularization direct current divides electric screen, includes the casing, fixed mounting has the base plate on the back wall in the casing, be provided with a plurality of supporting mechanism on the base plate and be used for electrical components to install, still be provided with the heat dissipation mechanism cooperation supporting mechanism in the casing and be used for the heat dissipation in the casing, the louvre has all been seted up to the top and the back wall of casing.
Preferably, the supporting mechanism comprises a vertical plate, a telescopic component, an arc plate, a wire arranging plate, a positioning supporting plate, a connecting groove, a separation plate, an electric connection column, a mounting plate, a connecting block and a power supply component a, wherein the vertical plate and a base plate are movably connected through two telescopic components, the vertical plate is parallel to the base plate, the upper surface of the vertical plate is fixedly connected with the arc plate which is equidistantly arranged, the vertical plate is close to the lower side of one side of the base plate and is fixedly connected with the wire arranging plate, the vertical plate is far away from the lower side of one side of the base plate and is fixedly connected with the positioning supporting plate, the front sides of the arc plate and the vertical plate are provided with the connecting groove, the cross section of the connecting groove is in a T shape, the bottom wall of the connecting groove is fixedly connected with the separation plate, the separation plate extends to the opening of the connecting groove, the bottom of the connecting groove is fixedly connected with the electric connection column through the two sides of the separation plate, the bottom of the mounting plate is fixedly connected with the electric connection column through the top of the positioning supporting plate through magnetic attraction of the connecting plate, the position of the connecting groove is fixedly connected with the connecting block on the back of the mounting plate, the position of the connecting block corresponding to the two electric connection columns is embedded in the connecting component a position of the connecting block, and the electric connection column is far away from one end of the electric connection column is used for connecting the electric connection column to the electric connection column.
Preferably, the heat dissipation mechanism comprises a heat dissipation fan, a mounting groove, air holes, air guide holes and absorbent cotton, wherein the mounting groove is formed in the rear side of the base plate at the position corresponding to the heat dissipation hole, a plurality of heat dissipation fans are arranged in the mounting groove from top to bottom, the positions of the corresponding arc plates on the base plate are provided with the evenly distributed air holes, the heat conduction arc plates are arranged between the adjacent arc plates, the heat conduction arc plates are provided with the evenly distributed air guide holes, the adjacent air guide holes are communicated, and the absorbent cotton is filled in the air guide holes.
Preferably, the two telescopic assemblies are respectively arranged at two ends of the vertical plate and are symmetrical with respect to the central axis of the vertical plate, and the arc plate is bent towards the direction of the substrate and is contacted with the substrate.
Preferably, the adjacent supporting mechanisms are overlapped with each other, and the plurality of supporting mechanisms are arranged at equal intervals from top to bottom.
Preferably, the length of the connecting groove on the vertical plate is four fifths of the height of the vertical plate, and the upper side of the front surface of the vertical plate is provided with a separation hole which is communicated with the connecting groove and used for separating the connecting block from the connecting groove.
Preferably, the cross section of location layer board is L shape for cooperate magnetism to inhale the structure and carry out spacing fixed to the mounting panel, connect through magnetism between the adjacent mounting panel.
Preferably, the power supply assembly comprises a first power supply column, a second power supply column and an on-off switch, wherein the first power supply column and the second power supply column are embedded in the connecting block and the mounting plate, the second power supply column is provided with the on-off switch to control the on-off of the second power supply column, and the on-off switch is mounted on the upper surface of the mounting plate.
By adopting the technical scheme, the invention has the beneficial effects that:
this modularization direct current divides electric screen utilizes supporting mechanism and heat dissipation mechanism's design, has realized the modularization installation of electric device in the direct current screen, and the maintenance of electrical apparatus is more convenient with changing, need not to carry out the operation of reason line wiring again, great shortened maintenance time, avoided long-time outage to the influence of equipment operation to the heat that produces when the design of cooperation heat dissipation mechanism can efficient give off electric device work has solved the problem that proposes among the background art.
Drawings
FIG. 1 is a diagram of the internal structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic diagram of a connection structure of a connection groove and a connection block according to the present invention;
FIG. 6 is a schematic view of the structure of the disengaging hole on the riser of the present invention.
In the figure: 1 casing, 2 base plates, 3 supporting mechanisms, 31 vertical plates, 32 telescopic components, 33 arc plates, 34 wire arranging plates, 35 positioning supporting plates, 36 connecting grooves, 37 isolating plates, 38 power receiving columns, 39 mounting plates, 310 connecting blocks, a power supply components, a1 power supply column I, a2 power supply column II, a3 on-off switches, 4 heat dissipation mechanisms, 41 heat dissipation fans, 42 mounting grooves, 43 air holes, 44 air holes, 45 absorbent cottons, 46 heat conduction arc plates, 5 heat dissipation holes and 6 disengaging holes.
Detailed Description
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a modularization direct current divides electric screen, includes casing 1, fixed mounting has base plate 2 on the back wall in the casing 1, is provided with a plurality of supporting mechanism 3 on the base plate 2 and is used for electrical components to install, still is provided with the heat dissipation mechanism 4 in the casing 1 and cooperates supporting mechanism 3 and be used for the heat dissipation in the casing 1, and louvre 5 has all been seted up to the top and the back wall of casing 1.
The supporting mechanism 3 comprises a vertical plate 31, telescopic components 32, an arc plate 33, a wire arranging plate 34, a positioning supporting plate 35, a connecting groove 36, a separation plate 37, an electric connection column 38, a mounting plate 39, a connecting block 310 and a power supply component a, wherein the vertical plate 31 and the substrate 2 are movably connected through the two telescopic components 32, the vertical plate 31 is parallel to the substrate 2, a plurality of arc plates 33 which are equidistantly arranged are fixedly connected to the upper surface of the vertical plate 31, the lower side of the vertical plate 31 close to one side of the substrate 2 is fixedly connected with the wire arranging plate 34, the lower side of the vertical plate 31 far away from one side of the substrate 2 is fixedly connected with a positioning supporting plate 35, the front sides of the arc plates 33 and the vertical plate 31 are provided with the connecting groove 36, the cross section of the connecting groove 36 is T-shaped, the bottom wall of the connecting groove 36 is fixedly connected with the separation plate 37, the separation plate 37 extends towards the opening of the connecting groove 36, the two sides of the separation plate 37 are fixedly provided with the electric connection column 38, the outer wiring plate 38 is connected with the electric connection column 38 through the back of the arc plate 33 through the wire arranging plate 34, the outer wiring 38 is coated with an insulating layer only, the contact position of the power supply component a is the bottom of the power supply component a, the contact position is the contact position of the magnetic connection column 39 is not corresponding to the electric connection column 39 is provided with the electric connection column 38, the electric connection column is connected with the electric connection plate 39 a, the electric connection plate is connected with the electric connection plate 39, and the electric connection plate is connected with the electric connection plate 310, the electric connection plate is connected with the electric connection column is connected with the electric connection plate 310, the electric connection plate is connected with the electric connection plate and the electric connection element and the electric connection 3 is provided with the electric connection 3.
The heat dissipation mechanism 4 comprises a heat dissipation fan 41, a mounting groove 42, air holes 43, air holes 44 and absorbent cotton 45, the mounting groove 42 is formed in the rear side of the base plate 2 corresponding to the position of the heat dissipation hole 5, a plurality of heat dissipation fans 41 are arranged in the mounting groove 42 from top to bottom, the evenly distributed air holes 43 are formed in the position of the corresponding arc plate 33 on the base plate 2, the heat conduction arc plates 46 are arranged between the adjacent arc plates 33, the evenly distributed air holes 44 are formed in the heat conduction arc plates 46, the adjacent air holes 44 are communicated, and the absorbent cotton 45 is filled in the air holes 44.
The design of the absorbent cotton 45 can absorb moisture in the air flow, and absorb heat of the electric device to be continuously vaporized and taken away by the high-speed air flow, so that the heat dissipation effect is enhanced.
The two telescopic components 32 are respectively arranged at two ends of the vertical plate 31 and are symmetrical with respect to the central axis of the vertical plate 31, the telescopic components 32 adopt a common scissor type telescopic structure or a hydraulic telescopic structure, and the telescopic components belong to the known technology, and the arc plate 33 is bent towards the direction of the base plate 2 and is contacted with the base plate 2.
The adjacent supporting mechanisms 3 are mutually overlapped, the mutually overlapped design can fully utilize the space in the shell 1, and can reduce the overflow of the air flow blown out by the cooling fan 41, ensure that the air flow can absorb heat mostly through the air guide holes 44, and the supporting mechanisms 3 are equidistantly arranged from top to bottom.
The length of the connecting groove 36 on the vertical plate 31 is four fifth of the height of the vertical plate 31, the upper side of the front surface of the vertical plate 31 is provided with a separation hole 6 and is communicated with the connecting groove 36 for separating the connecting block 310 from the connecting groove 36, and when the connecting block is required to be separated, the corresponding mounting plate 39 is lifted upwards to enable the connecting block 310 to be opposite to the separation hole 6 and pulled outwards.
The cross-section of location layer board 35 is L shape, and the design of L shape can avoid mounting panel 39 to receive vibrations to break away from, ensures that its installation is stable for cooperation magnetism is inhaled the structure and is carried out spacing fixed to mounting panel 39, and is inhaled through magnetism between the adjacent mounting panel 39 and is connected, and the size of mounting panel 39 can be according to the return circuit that corresponds and select the joining in marriage, if there are three electrical components in the return circuit, the length selection that corresponds mounting panel 39 can satisfy three electrical components's installation, dismouting in the lump when convenient later maintenance.
The power supply assembly a comprises a first power supply column a1, a second power supply column a2 and an on-off switch a3, wherein the first power supply column a1 and the second power supply column a2 are embedded in the connecting block 310 and the mounting plate 39, the on-off switch a3 is arranged on the second power supply column a2 to control the on-off of the second power supply column a2, and the on-off switch a3 is arranged on the upper surface of the mounting plate 39.
When the modularized direct current power distribution screen works, when electric devices in the direct current screen are required to be maintained, the casing 1 is opened, the base plate 2 is pulled outwards, when the electric devices with faults are located, the prepared mounting plate 39 is taken, corresponding electric devices are installed on the base plate 39, the connecting blocks 310 on the mounting plate 39 are inserted into the connecting grooves 36 through the openings of the connecting grooves 36 at one ends of the arc plates 33 far away from the vertical plates 31, the connecting blocks slide towards the vertical plates 31, the on-off switch a3 is opened to connect normal electric devices into a loop, meanwhile, the on-off switch a3 on the mounting plate 39 with the electric devices with faults is closed, the mounting plate 39 with the electric devices with faults is taken, the mounting plate 39 with faults is detached through the disengaging holes 6, and then the replaced mounting plate 39 is moved downwards to the location of the locating support plate 35 to be fixed, so that the maintenance of the direct current screen is completed.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention, and therefore the invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a modularization direct current divides electric screen, includes casing (1), its characterized in that: a substrate (2) is fixedly arranged on the rear wall in the casing (1), a plurality of supporting mechanisms (3) are arranged on the substrate (2) and used for mounting electric elements, a heat dissipation mechanism (4) is also arranged in the casing (1) and matched with the supporting mechanisms (3) to be used for dissipating heat in the casing (1), and heat dissipation holes (5) are formed in the top and the rear wall of the casing (1);
the supporting mechanism (3) comprises a vertical plate (31), telescopic components (32), arc plates (33), wire arranging plates (34), positioning support plates (35), connecting grooves (36), isolation plates (37), electric connection posts (38), mounting plates (39) and connecting blocks (310), wherein the vertical plate (31) and the base plate (2) are movably connected through the two telescopic components (32), the vertical plate (31) is parallel to the base plate (2), a plurality of arc plates (33) which are equidistantly arranged are fixedly connected to the upper surface of the vertical plate (31), the lower side of the vertical plate (31) close to one side of the base plate (2) is fixedly connected with the wire arranging plates (34), the lower side of the vertical plate (31) far away from one side of the base plate (2) is fixedly connected with the positioning support plates (35), the front surfaces of the arc plates (33) and the vertical plate (31) are provided with connecting grooves (36), the cross sections of the connecting grooves (36) are T-shaped, the bottom walls of the connecting grooves (36) are fixedly connected with the isolation plates (37), the isolation plates (37) extend to the openings of the connecting grooves (36), the bottom walls of the two magnetic isolation plates (36) are fixedly connected with the bottom surfaces of the two magnetic connection posts (37), the back of the mounting plate (39) is fixedly connected with a connecting block (310) corresponding to the connecting groove (36), and the connecting block (310) is slidably connected in the connecting groove (36).
2. A modular dc distribution panel according to claim 1, characterized in that: the supporting mechanism (3) comprises a power supply assembly (a), the positions, corresponding to the two power connection columns (38), on the connecting block (310) are embedded with the power supply assembly (a) and are in contact with the power connection columns (38), and one end, far away from the power connection columns (38), of the power supply assembly (a) penetrates through the connecting block (310) and the mounting plate (39) to the front face of the mounting plate (39) to be used for electric appliance power connection.
3. A modular dc distribution panel according to claim 2, characterized in that: the utility model provides a heat dissipation mechanism (4) is including radiator fan (41), mounting groove (42), bleeder vent (43), air vent (44), cotton (45) and heat conduction arc board (46) absorb water, mounting groove (42) have been seted up to the position that base plate (2) rear side corresponds radiator hole (5), install a plurality of radiator fan (41) from last to down in mounting groove (42), evenly distributed bleeder vent (43) have been seted up in the position of arc board (33) after corresponding on base plate (2), heat conduction arc board (46) are installed between adjacent arc board (33), evenly distributed air vent (44) have been seted up on heat conduction arc board (46), and adjacent air vent (44) are linked together, air vent (44) intussuseption is filled with cotton (45) that absorbs water.
4. A modular dc distribution panel according to claim 3, characterized in that: the two telescopic assemblies (32) are respectively arranged at two ends of the vertical plate (31) and are symmetrical with reference to the central axis of the vertical plate (31), and the arc plate (33) is bent towards the direction of the base plate (2) and is contacted with the base plate (2).
5. A modular dc distribution panel as set forth in claim 4, wherein: the adjacent supporting mechanisms (3) are mutually overlapped, and a plurality of supporting mechanisms (3) are arranged at equal intervals from top to bottom.
6. A modular dc distribution panel as set forth in claim 5, wherein: the length of the connecting groove (36) on the vertical plate (31) is four fifths of the height of the vertical plate (31), and the upper side of the front surface of the vertical plate (31) is provided with a separation hole (6) which is communicated with the connecting groove (36) and used for separating the connecting block (310) from the connecting groove (36).
7. A modular dc distribution panel as set forth in claim 6, wherein: the cross section of the positioning supporting plate (35) is L-shaped and is used for limiting and fixing the mounting plates (39) by matching with the magnetic attraction structure, and adjacent mounting plates (39) are connected through magnetic attraction.
8. A modular dc distribution panel as set forth in claim 7, wherein: the power supply assembly (a) comprises a first power supply column (a 1), a second power supply column (a 2) and an on-off switch (a 3), wherein the first power supply column (a 1) and the second power supply column (a 2) are embedded in a connecting block (310) and a mounting plate (39), the on-off switch (a 3) is arranged on the second power supply column (a 2) to control the on-off of the second power supply column (a 2), and the on-off switch (a 3) is mounted on the upper surface of the mounting plate (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310672988.5A CN116404743B (en) | 2023-06-08 | 2023-06-08 | Modularized direct-current power distribution screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310672988.5A CN116404743B (en) | 2023-06-08 | 2023-06-08 | Modularized direct-current power distribution screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116404743A true CN116404743A (en) | 2023-07-07 |
| CN116404743B CN116404743B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310672988.5A Active CN116404743B (en) | 2023-06-08 | 2023-06-08 | Modularized direct-current power distribution screen |
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| Country | Link |
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| CN (1) | CN116404743B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002314259A (en) * | 2001-04-12 | 2002-10-25 | Funai Electric Co Ltd | Cabinet for electric equipment |
| WO2011142685A2 (en) * | 2010-05-11 | 2011-11-17 | Vasiljevic Marko | Distribution meter cabinet with ventilation device for mounting on the posts, walls or on the stand to post on public areas, either independently or side-to-side |
| CN110867758A (en) * | 2019-11-28 | 2020-03-06 | 南京大全电气有限公司 | Modular electrical distribution box |
| US20200329579A1 (en) * | 2019-04-14 | 2020-10-15 | Aertight Systems, Inc. | Computer Isolation Housing |
| CN217158973U (en) * | 2022-03-10 | 2022-08-09 | 湖南团胜科技有限公司 | Special integrated direct current screen of intelligent substation who conveniently overhauls |
| CN115173286A (en) * | 2022-07-29 | 2022-10-11 | 张波 | Modularized substation based on smart power grid system |
-
2023
- 2023-06-08 CN CN202310672988.5A patent/CN116404743B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002314259A (en) * | 2001-04-12 | 2002-10-25 | Funai Electric Co Ltd | Cabinet for electric equipment |
| WO2011142685A2 (en) * | 2010-05-11 | 2011-11-17 | Vasiljevic Marko | Distribution meter cabinet with ventilation device for mounting on the posts, walls or on the stand to post on public areas, either independently or side-to-side |
| US20200329579A1 (en) * | 2019-04-14 | 2020-10-15 | Aertight Systems, Inc. | Computer Isolation Housing |
| CN110867758A (en) * | 2019-11-28 | 2020-03-06 | 南京大全电气有限公司 | Modular electrical distribution box |
| CN217158973U (en) * | 2022-03-10 | 2022-08-09 | 湖南团胜科技有限公司 | Special integrated direct current screen of intelligent substation who conveniently overhauls |
| CN115173286A (en) * | 2022-07-29 | 2022-10-11 | 张波 | Modularized substation based on smart power grid system |
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| Publication number | Publication date |
|---|---|
| CN116404743B (en) | 2023-08-08 |
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